i2c: add algo-bit support with gpio and versatile support

HI,

v2: keep return -EBUSY if the adapter is already present

the foloing patch series add the i2c algo bit support with 2 drivers that use it

- gpio
- versatile

thie also create a device for i2c bus itself

all the pedending branch are rebased on it

The following changes since commit 2d1ceaff2f905f4a2bd7e6c539e7dd3d8d8e9bef:

uimage: Fix deleting of temporary file (2012-10-30 18:39:38 +0100)

are available in the git repository at:

git://git.jcrosoft.org/barebox.git delivery/i2c

for you to fetch changes up to 5c90416b6ffb8d4ca7c4bc6aff92578b555cb965:

i2c: add versatile support (2012-11-02 02:17:04 +0800)

----------------------------------------------------------------
Jean-Christophe PLAGNIOL-VILLARD (4):
i2c: adapter: register it's own device
i2c: add i2c algo bit support
i2c: add i2c-gpio support
i2c: add versatile support

 drivers/i2c/Kconfig                |    1 +
 drivers/i2c/Makefile               |    2 +-
 drivers/i2c/algos/Kconfig          |    6 +++
 drivers/i2c/algos/Makefile         |    5 ++
 drivers/i2c/algos/i2c-algo-bit.c   |  585 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 drivers/i2c/busses/Kconfig         |   16 +++++++
 drivers/i2c/busses/Makefile        |    2 +
 drivers/i2c/busses/i2c-gpio.c      |  177 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 drivers/i2c/busses/i2c-imx.c       |   20 ++++----
 drivers/i2c/busses/i2c-omap.c      |   30 ++++++------
 drivers/i2c/busses/i2c-versatile.c |  112 +++++++++++++++++++++++++++++++++++++++++++++
 drivers/i2c/i2c.c                  |   17 ++++++-
 include/i2c/i2c-algo-bit.h         |   55 ++++++++++++++++++++++
 include/i2c/i2c-gpio.h             |   38 +++++++++++++++
 include/i2c/i2c.h                  |    4 +-
 15 files changed, 1042 insertions(+), 28 deletions(-)
 create mode 100644 drivers/i2c/algos/Kconfig
 create mode 100644 drivers/i2c/algos/Makefile
 create mode 100644 drivers/i2c/algos/i2c-algo-bit.c
 create mode 100644 drivers/i2c/busses/i2c-gpio.c
 create mode 100644 drivers/i2c/busses/i2c-versatile.c
 create mode 100644 include/i2c/i2c-algo-bit.h
 create mode 100644 include/i2c/i2c-gpio.h

Best Regards,
J.

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